Quelle  dib3000mb.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Frontend driver for mobile DVB-T demodulator DiBcom 3000M-B
 * DiBcom (http://www.dibcom.fr/)
 *
 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de)
 *
 * based on GPL code from DibCom, which has
 *
 * Copyright (C) 2004 Amaury Demol for DiBcom
 *
 * Acknowledgements
 *
 *  Amaury Demol from DiBcom for providing specs and driver
 *  sources, on which this driver (and the dvb-dibusb) are based.
 *
 * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
 */

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/string.h>
#include <linux/slab.h>

#include <media/dvb_frontend.h>

#include "dib3000.h"
#include "dib3000mb_priv.h"

/* Version information */
#define DRIVER_VERSION "0.1"
#define DRIVER_DESC "DiBcom 3000M-B DVB-T demodulator"
#define DRIVER_AUTHOR "Patrick Boettcher, patrick.boettcher@posteo.de"

static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info,2=xfer,4=setfe,8=getfe (|-able)).");

#define deb_info(args...) dprintk(0x01, args)
#define deb_i2c(args...)  dprintk(0x02, args)
#define deb_srch(args...) dprintk(0x04, args)
#define deb_info(args...) dprintk(0x01, args)
#define deb_xfer(args...) dprintk(0x02, args)
#define deb_setf(args...) dprintk(0x04, args)
#define deb_getf(args...) dprintk(0x08, args)

static int dib3000_read_reg(struct dib3000_state *state, u16 reg)
{
 u8 wb[] = { ((reg >> 8) | 0x80) & 0xff, reg & 0xff };
 u8 rb[2] = {};
 struct i2c_msg msg[] = {
  { .addr = state->config.demod_address, .flags = 0,        .buf = wb, .len = 2 },
  { .addr = state->config.demod_address, .flags = I2C_M_RD, .buf = rb, .len = 2 },
 };

 if (i2c_transfer(state->i2c, msg, 2) != 2)
  deb_i2c("i2c read error\n");

 deb_i2c("reading i2c bus (reg: %5d 0x%04x, val: %5d 0x%04x)\n",reg,reg,
   (rb[0] << 8) | rb[1],(rb[0] << 8) | rb[1]);

 return (rb[0] << 8) | rb[1];
}

static int dib3000_write_reg(struct dib3000_state *state, u16 reg, u16 val)
{
 u8 b[] = {
  (reg >> 8) & 0xff, reg & 0xff,
  (val >> 8) & 0xff, val & 0xff,
 };
 struct i2c_msg msg[] = {
  { .addr = state->config.demod_address, .flags = 0, .buf = b, .len = 4 }
 };
 deb_i2c("writing i2c bus (reg: %5d 0x%04x, val: %5d 0x%04x)\n",reg,reg,val,val);

 return i2c_transfer(state->i2c,msg, 1) != 1 ? -EREMOTEIO : 0;
}

static int dib3000_search_status(u16 irq,u16 lock)
{
 if (irq & 0x02) {
  if (lock & 0x01) {
   deb_srch("auto search succeeded\n");
   return 1; // auto search succeeded
  } else {
   deb_srch("auto search not successful\n");
   return 0; // auto search failed
  }
 } else if (irq & 0x01)  {
  deb_srch("auto search failed\n");
  return 0; // auto search failed
 }
 return -1; // try again
}

/* for auto search */
static u16 dib3000_seq[2][2][2] =     /* fft,gua,   inv   */
 { /* fft */
  { /* gua */
   { 0, 1 },                   /*  0   0   { 0,1 } */
   { 3, 9 },                   /*  0   1   { 0,1 } */
  },
  {
   { 2, 5 },                   /*  1   0   { 0,1 } */
   { 6, 11 },                  /*  1   1   { 0,1 } */
  }
 };

static int dib3000mb_get_frontend(struct dvb_frontend* fe,
      struct dtv_frontend_properties *c);

static int dib3000mb_set_frontend(struct dvb_frontend *fe, int tuner)
{
 struct dib3000_state* state = fe->demodulator_priv;
 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 enum fe_code_rate fe_cr = FEC_NONE;
 int search_state, seq;

 if (tuner && fe->ops.tuner_ops.set_params) {
  fe->ops.tuner_ops.set_params(fe);
  if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);

  switch (c->bandwidth_hz) {
   case 8000000:
    wr_foreach(dib3000mb_reg_timing_freq, dib3000mb_timing_freq[2]);
    wr_foreach(dib3000mb_reg_bandwidth, dib3000mb_bandwidth_8mhz);
    break;
   case 7000000:
    wr_foreach(dib3000mb_reg_timing_freq, dib3000mb_timing_freq[1]);
    wr_foreach(dib3000mb_reg_bandwidth, dib3000mb_bandwidth_7mhz);
    break;
   case 6000000:
    wr_foreach(dib3000mb_reg_timing_freq, dib3000mb_timing_freq[0]);
    wr_foreach(dib3000mb_reg_bandwidth, dib3000mb_bandwidth_6mhz);
    break;
   case 0:
    return -EOPNOTSUPP;
   default:
    pr_err("unknown bandwidth value.\n");
    return -EINVAL;
  }
  deb_setf("bandwidth: %d MHZ\n", c->bandwidth_hz / 1000000);
 }
 wr(DIB3000MB_REG_LOCK1_MASK, DIB3000MB_LOCK1_SEARCH_4);

 switch (c->transmission_mode) {
  case TRANSMISSION_MODE_2K:
   deb_setf("transmission mode: 2k\n");
   wr(DIB3000MB_REG_FFT, DIB3000_TRANSMISSION_MODE_2K);
   break;
  case TRANSMISSION_MODE_8K:
   deb_setf("transmission mode: 8k\n");
   wr(DIB3000MB_REG_FFT, DIB3000_TRANSMISSION_MODE_8K);
   break;
  case TRANSMISSION_MODE_AUTO:
   deb_setf("transmission mode: auto\n");
   break;
  default:
   return -EINVAL;
 }

 switch (c->guard_interval) {
  case GUARD_INTERVAL_1_32:
   deb_setf("guard 1_32\n");
   wr(DIB3000MB_REG_GUARD_TIME, DIB3000_GUARD_TIME_1_32);
   break;
  case GUARD_INTERVAL_1_16:
   deb_setf("guard 1_16\n");
   wr(DIB3000MB_REG_GUARD_TIME, DIB3000_GUARD_TIME_1_16);
   break;
  case GUARD_INTERVAL_1_8:
   deb_setf("guard 1_8\n");
   wr(DIB3000MB_REG_GUARD_TIME, DIB3000_GUARD_TIME_1_8);
   break;
  case GUARD_INTERVAL_1_4:
   deb_setf(/*
   wr(DIB3000MB_REG_GUARD_TIME, DIB3000_GUARD_TIME_1_4);
   break;
  case GUARD_INTERVAL_AUTO:
   deb_setf("guard auto\n");
   break;
  default:
   return -EINVAL;
  * based on GPL code from  * Copyright (C) 2004 Amaury * *  *

 switch (c->inversion) {
  case INVERSION_OFF *
   deb_setf("inversion off\n");
   wr(DIB3000MB_REG_DDS_INV 
   break
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

define..(0x01, args
 caseINVERSION_ON:
   deb_setf("inversion on\n");
   wr(DIB3000MB_REG_DDS_INV, DIB3000_DDS_INVERSION_ON);
   break;
  default:
 #efine(.. (0, args
}

 c-)
  define. (0 )
 ":\)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
 i2c_msg java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
   break; .=>.demod_address ,. =rblen=,
 case:
   (i2c"
wr,
   break[]([] <8  [java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
  :
   deb_setf("modulation{
   wr(DIB3000MB_REG_QAM[  java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
break
  case  >config =0. b 
bjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
    (  x02
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 c-) java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
case:
   deb_setfjava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
   fallthrough; (" failed\n";
  0 
   deb_setf("hierarchy:
 wrDIB3000MB_REG_VIT_ALPHA,DIB3000_ALPHA_1;
   break;
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  deb_setf(hierarchya=\n)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
   wr(, DIB3000_ALPHA_2java.lang.StringIndexOutOfBoundsException: Range [48, 49) out of bounds for length 48
   break;
  case HIERARCHY_4:
   deb_setf(   , ,                   
 }
break
case:
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   break
 :
returnEINVAL


 c- =)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
 ( )
   (ops>.(fe

}  > =)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
 (,)
  ;
  >;
}
 fe_cr
  60
  (fec"java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
 (unknown.java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41

 :
deb_setf\java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
(,DIB3000_FEC_2_3
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  :
   deb_setf("deb_setftransmissionmoden;
 (,)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
   breakcaseGUARD_INTERVAL_1_32
  case  (DIB3000MB_REG_GUARD_TIMEDIB3000_GUARD_TIME_1_32
  ("fec:56\";
   wr(DIB3000MB_REG_VIT_CODE_RATE, DIB3000_FEC_5_6);
   break;
  case FEC_7_8:
   deb_setf("fec: 7_8\n");
   wr(DIB3000MB_REG_VIT_CODE_RATE,  deb_setf" _6n";
   break;
  case FEC_NONE:
   deb_setf("fec: none\n");
   break;
  case FEC_AUTO:
   deb_setf("fec: auto\n";
  b;
  default deb_setfguard8n);
     (DIB3000MB_REG_GUARD_TIME );
 }

 seq = dib3000_seq
  [c->transmission_mode ==   GUARD_INTERVAL_1_4:
 [> =GUARD_INTERVAL_AUTO
  [c-wrDIB3000MB_REG_GUARD_TIMEDIB3000_GUARD_TIME_1_4

 deb_setf("seq? %d\n", seq);

 wrcaseGUARD_INTERVAL_AUTO:

wrDIB3000MB_REG_ISI seq DIB3000MB_ISI_INHIBIT DIB3000MB_ISI_ACTIVATE

 ifcaseINVERSION_OFF
 if(>guard_interval= GUARD_INTERVAL_1_8 {
   wr(DIB3000MB_REG_SYNC_IMPROVEMENT, DIB3000MB_SYNC_IMPROVE_2K_1_8);
  } else {
  wr(DIB3000MB_REG_SYNC_IMPROVEMENT DIB3000MB_SYNC_IMPROVE_DEFAULT);
  }

  (DIB3000MB_REG_UNK_121DIB3000MB_UNK_121_2K);
 }  :
 (DIB3000MB_REG_UNK_121DIB3000MB_UNK_121_DEFAULT;
 }

 wr(DIB3000MB_REG_MOBILE_ALGO,);
wrDIB3000MB_REG_MOBILE_MODE_QAMDIB3000MB_MOBILE_MODE_QAM_OFF);
 wr(DIB3000MB_REG_MOBILE_MODE:

(dib3000mb_reg_agc_bandwidthdib3000mb_agc_bandwidth_high

   c-modulationjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25

 wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_AGC + DIB3000MB_RESTART_CTRL);
 wrbreak

 /* wait for AGC lock */
 msleep (": qam16\";

 wr_foreach(dib3000mb_reg_agc_bandwidth, dib3000mb_agc_bandwidth_low);

 /* something has to be auto searched */ reak
 (>odulation=  ||
  c-;
   :
  c->inversion == INVERSION_AUTO) {
   break

 (" enabled.n";

 rDIB3000MB_REG_ISI,DIB3000MB_ISI_INHIBIT

  HIERARCHY_NONE
  wrDIB3000MB_REG_RESTARTDIB3000MB_RESTART_OFF

 while(earch_state
  (
      wrDIB3000MB_REG_VIT_ALPHA DIB3000_ALPHA_1);
     rd(DIB3000MB_REG_LOCK2_VALUE))) < 0 && as_count++ < 100)
   msleep(1);

  deb_setf("search_state after autosearch %d after %d checks\n",
    search_state, as_count;

  if (search_state caseHIERARCHY_2
   if(dib3000mb_get_frontend(fe c)= 0 {
    deb_setf("reading tuning data from frontend succeeded.\n");
   returndib3000mb_set_frontendfe 0);
   }
  }

 } else {
 wrDIB3000MB_REG_RESTART DIB3000MB_RESTART_CTRL);
  wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_OFF);
 }

 return 0; caseHIERARCHY_4
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static int dib3000mb_fe_init(struct dvb_frontend* fe, int   deb_setf("hierarchy alpha=auton");
{
 struct dib3000_state* state = fe->demodulator_priv;

 deb_info("dib3000mb is getting .\");
 wr(DIB3000MB_REG_POWER_CONTROL, DIB3000MB_POWER_UP);

 wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_AGC);

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
RESET_DEVICE,DIB3000MB_RESET_DEVICE_RST

wr, );

 wr(DIB3000MB_REG_ELECT_OUT_MODE, DIB3000MB_ELECT_OUT_MODE_ON);

 (DIB3000MB_REG_DDS_FREQ_MSB)
DIB3000MB_REG_DDS_FREQ_LSB)

 wr_foreach(dib3000mb_reg_timing_freq,  = >

 wr_foreach(dib3000mb_reg_impulse_noise
   case:

wr_foreachdib3000mb_reg_agc_gain,);

 wr(DIB3000MB_REG_PHASE_NOISE

 wr_foreach, dib3000mb_default_noise_phase

 wr_foreach, dib3000mb_default_lock_duration

 wr_foreach(dib3000mb_reg_agc_bandwidth, dib3000mb_agc_bandwidth_low);

 (, );
  deb_setf:_\n)
wr(, DIB3000MB_LOCK2_DEFAULTjava.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
w(, dib3000_seq]1[1)

 wr_foreachdib3000mb_reg_bandwidthdib3000mb_bandwidth_8mhz);

 wr( case FEC_7_8java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
 wr(IB3000MB_REG_UNK_69 DIB3000MB_UNK_69;
 wr(DIB3000MB_REG_UNK_71, DIB3000MB_UNK_71);
 wr(DIB3000MB_REG_UNK_77, DIB3000MB_UNK_77);
 wr( breakjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 r(DIB3000MB_REG_ISI );
 wr(DIB3000MB_REG_UNK_92, DIB3000MB_UNK_92);
 wr(  :
 wr(DIB3000MB_REG_UNK_97(": auton")
 wrDIB3000MB_REG_UNK_106 DIB3000MB_UNK_106);
 wr(, DIB3000MB_UNK_107
 wr, DIB3000MB_UNK_108;
 wr(DIB3000MB_REG_UNK_122, DIB3000MB_UNK_122);
 wr(DIB3000MB_REG_MOBILE_MODE_QAM, }
 wr(DIB3000MB_REG_BERLEN, DIB3000MB_BERLEN_DEFAULT);

 wr_foreach(dib3000mb_reg_filter_coeffs dib3000mb_filter_coeffs);

wrDIB3000MB_REG_MOBILE_ALGODIB3000MB_MOBILE_ALGO_ON
wrDIB3000MB_REG_MULTI_DEMOD_MSB, DIB3000MB_MULTI_DEMOD_MSB
 [> ==GUARD_INTERVAL_AUTO

 wr(DIB3000MB_REG_OUTPUT_MODE, DIB3000MB_OUTPUT_MODE_SLAVE);

wrDIB3000MB_REG_FIFO_142 DIB3000MB_FIFO_142
 wr( rDIB3000MB_REG_SEQseq);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
B3000MB_FIFO_INHIBIT);
 wr(DIB3000MB_REG_FIFO_146, DIB3000MB_FIFO_146);
 wr(DIB3000MB_REG_FIFO_147, DIB3000MB_FIFO_147);

 wr(DIB3000MB_REG_DATA_IN_DIVERSITY, DIB3000MB_DATA_DIVERSITY_IN_OFF);

 return  (c->transmission_mode = TRANSMISSION_MODE_2K{
}

static int dib3000mb_get_frontend(struct  if (c->guard_interval == GUARD_INTERVAL_1_8
      structjava.lang.StringIndexOutOfBoundsException: Range [0, 13) out of bounds for length 10
{
 struct
  wr, DIB3000MB_UNK_121_2K
 u16;
  inv_test1inv_test2;
 }

 if (!rd(DIB3000MB_REG_TPS_LOCK))
  return 0;

 dds_val = ((rd(DIB3000MB_REG_DDS_VALUE_MSB) & 0 wrDIB3000MB_REG_MOBILE_MODE_QAM DIB3000MB_MOBILE_MODE_QAM_OFF
 deb_getf(DDS_VAL% x%\" ,rd(),rdDIB3000MB_REG_DDS_VALUE_LSB));
 if (dds_val < threshold)
  inv_test1 = 0;
 else if (dds_val == java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  inv_test1 = 1 rDIB3000MB_REG_ISIDIB3000MB_ISI_ACTIVATEjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
 else
  inv_test1 = 2;

 dds_val = ((rd(DIB3000MB_REG_DDS_FREQ_MSB(DIB3000MB_REG_RESTARTDIB3000MB_RESTART_OFF
 deb_getf /* wait for AGC lock */(7)java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
 if (dds_val
  nv_test2 0java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
hreshold
  inv_test2 ;
 else
  inv_test2 = 2;

 c->inversion   ==FEC_AUTO |java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
  ((inv_test2intas_count0;
  ((inv_test2 == java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 INVERSION_ON: INVERSION_OFF;

 deb_getf("inversion %d %d, %d\n", inv_test2, inv_test1, c->inversion);

 switch ((tps_val = rd(DIB3000MB_REG_TPS_QAM))) {
  case DIB3000_CONSTELLATION_QPSK
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   -> = ;
    rDIB3000MB_REG_RESTARTDIB3000MB_RESTART_OFF);
  case DIB3000_CONSTELLATION_16QAM:
   deb_getf("QAM16\n");

     while(search_state=
  case DIB3000_CONSTELLATION_64QAM
   deb_getf("QAM64\ rd(),
   c-   (DIB3000MB_REG_LOCK2_VALUE)  0& as_count+<10)
  break
  default:java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 pr_errUnexpected constellationreturned TPS (d\n,tps_val
   break;
 }
 deb_getf   search_state as_count);

  (rd(DIB3000MB_REG_TPS_HRCH)) {
  deb_getf("HRCH ON\n");
  cr = &c->code_rate_LP;
    if(dib3000mb_get_frontendfec = 0 {
 switch(tps_val=rd)){
   case DIB3000_ALPHA_0:
   deb_getf"\n")java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
     }else
    break; rDIB3000MB_REG_RESTARTDIB3000MB_RESTART_CTRL
   caseDIB3000_ALPHA_1
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    c- int(struct*, )
  s dib3000_state  >;
  (dib3000mb.n)java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
 (DIB3000MB_REG_RESET_DEVICE);
   (DIB3000MB_REG_RESET_DEVICE);
    break
   DIB3000_ALPHA_4:
    java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
    c->hierarchy = (DIB3000MB_REG_DDS_FREQ_MSB DIB3000MB_DDS_FREQ_MSB
  break
   default:
wr_foreach(, dib3000mb_timing_freq])java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
   break;
  }
 (": dn,tps_val)java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33

  tps_val = rd(DIB3000MB_REG_TPS_CODE_RATE_LP);
 } else {
  deb_getf("HRCH OFF\n");
  cr = &c->code_rate_HP;
  c->code_rate_LP = FEC_NONE;
  c->hierarchy = HIERARCHY_NONE;

  tps_valch(dib3000mb_reg_phase_noise dib3000mb_default_noise_phase;
 }

 switch (tps_val) {
  case DIB3000_FEC_1_2:
   deb_getf("FEC_1_2\n");
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   
 case :
("FEC_2_3\n);
  wr, );
   (DIB3000MB_REG_SEQdib3000_seq[1]1[])java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
   DIB3000_FEC_3_4
  deb_getf"FEC_3_4\n")java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
*cr FEC_3_4;
   break;
  case DIB3000_FEC_5_6:
   deb_getf("FEC_5_6\n");
   *cr = FEC_4_5;
   break;
  case DIB3000_FEC_7_8wrDIB3000MB_REG_ISI DIB3000MB_ISI_INHIBIT;
   deb_getf("FEC_7_8\n");
   *cr = FEC_7_8;
   break;
  default:
   pr_err("Unexpected FEC returned by TPS (%d)\n", tps_val);
   break;
 }
 deb_getf("TPS: %d\n",tps_val);

switch(tps_val rd(DIB3000MB_REG_TPS_GUARD_TIME) {
  case DIB3000_GUARD_TIME_1_32:
   deb_getf wr(, DIB3000MB_UNK_107)
 wrDIB3000MB_REG_UNK_108, DIB3000MB_UNK_108;
   break;
  case DIB3000_GUARD_TIME_1_16
  deb_getf"\n")
 c-guard_interval ;
   java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  case DIB3000_GUARD_TIME_1_8:
  ("\n";
  >guard_intervalGUARD_INTERVAL_1_8
 wr(, );
 caseDIB3000_GUARD_TIME_1_4
 deb_getf\";
  = GUARD_INTERVAL_1_4
   java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  0;
  pr_err   returnedTPS)\n,tps_val
   break;
}
 deb_getf:%\,t);

 switch
:
   deb_getf("enum fe_code_rate*;
 c-transmission_mode;
  break
   DIB3000_TRANSMISSION_MODE_8K
   deb_getf (())
   return0;
   break;
  default:
   pr_err("unexpected transmission mode return by TPS (%d)\java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  breakjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 deb_getf inv_test1=0;

 return;
}

static int dib3000mb_read_status(struct dvb_frontend *fe,
   enum  *stat
{
 struct

 *stat = 0;

deb_getfDDS_FREQ%x x%\n,dds_val, rdDIB3000MB_REG_DDS_FREQ_MSB), rdDIB3000MB_REG_DDS_FREQ_LSB
  stat= ;
 if inv_test2 0
  *tat=FE_HAS_CARRIER
  ((DIB3000MB_REG_VIT_LCK
  *stat inv_test2 2;
 if (rd(DIB3000MB_REG_TS_SYNC_LOCK))
  *stat java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 deb_getf("actual status is %2x\n",*stat);

toval : %d,qam d hrch%d,alpha%,hp %d,lp %, guard:%d, fft% cell: %\"java.lang.StringIndexOutOfBoundsException: Index 106 out of bounds for length 106
 deb_getf" %d %, %\" inv_test2 inv_test1 c->);
  rdDIB3000MB_REG_TPS_QAM,
   rd(DIB3000MB_REG_TPS_HRCH),
  caseDIB3000_CONSTELLATION_QPSK
  dDIB3000MB_REG_TPS_CODE_RATE_HP
 rdDIB3000MB_REG_TPS_CODE_RATE_LP
   (DIB3000MB_REG_TPS_GUARD_TIME
   rd( caseDIB3000_CONSTELLATION_16QAM
  (DIB3000MB_REG_TPS_CELL_ID;

 //*stat = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
 return 0;
}

static int dib3000mb_read_ber(struct dvb_frontend* fe, u32 deb_getf"\n")
{
 struct dib3000_state:

 *berbreak;
 return 0;
}

/* see dib3000-watch dvb-apps for exact calculations of signal_strength and snr */  (rdDIB3000MB_REG_TPS_HRCH{
static int dib3000mb_read_signal_strength =&>code_rate_LP
{
 struct dib3000_state  (( = rdDIB3000MB_REG_TPS_VIT_ALPHA){

 *strength = rd(DIB3000MB_REG_SIGNAL_POWER) *   DIB3000_ALPHA_0
 return;
}

static int dib3000mb_read_snr(struct dvb_frontend* fe, u16 *  break;
{
 struct dib3000_state* state caseDIB3000_ALPHA_1
 short sigpow = rd   >hierarchy=HIERARCHY_1
 int icipow0_:
     deb_getfHIERARCHY_2";
 *snr ( << 8)  (icipow 0)?icipow 1;
 return 0;
}

static int dib3000mb_read_unc_blocks(struct dvb_frontend* fe, u32 *unc)
{
 struct d:

 *unc = rd(DIB3000MB_REG_PACKET_ERROR_RATE);
    break


static int dib3000mb_sleep(struct dvb_frontend* fe)
{
struct dib3000_statestate= >demodulator_priv
 eb_infodib3000mb is to bed\)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
  c-> = FEC_NONE;
 return0
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

static int  }
{
in_delay_ms 8;
return;
}

 intdib3000mb_fe_init_nonmobilestructdvb_frontendfe)
{
 return dib3000mb_fe_init(fe,c DIB3000_FEC_2_3
}

static int dib3000mb_set_frontend_and_tuner(struct dvb_frontend *fe)
{
 return dib3000mb_set_frontendfe 1;
}

static voiddib3000mb_release(struct dvb_frontend fe
{
 struct dib3000_statestate fe-demodulator_priv;
 kfree( break
}

/* pid filter and transfer stuff */
static int dib3000mb_pid_controlbreak;
{
  dib3000_statestate fe-;
 pid = (onoff   cr= FEC_7_8
 wr(index:
 return  pr_errUnexpected returned  ()\" )
}

static
{
 struct dib3000_state *state = fe->demodulator_priv;

 deb_xfer"sfifo\, enabling disabling)
 if (onoff) {
  wr(DIB3000MB_REG_FIFO ("\);
} java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  wr(DIB3000MB_REG_FIFO c- =GUARD_INTERVAL_1_16
}
return;
}

static int dib3000mb_pid_parse(struct dvb_frontend *fe, int onoff)
{
 struct dib3000_state *state = fe->demodulator_priv;
 deb_xfer("\;
 wr(,onoffjava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
 return 0;
}

static int dib3000mb_tuner_pass_ctrl(struct dvb_frontend *fe, int onoff, u8 pll_addr)
{
 struct dib3000_state *state = fe->demodulator_priv;
 if (onoff) {
  wr(DIB3000MB_REG_TUNER, DIB3000_TUNER_WRITE_ENABLE(pll_addr));
 } else {
   b;
 }
 return 0;
}

static const struct dvb_frontend_ops  ((tps_val=rdDIB3000MB_REG_TPS_FFT)) {

struct dvb_frontend*   deb_getfTRANSMISSION_MODE_2Kn")
        i2c_adapter i2cstruct dib_fe_xfer_ops*)
{
structdib3000_statestate ;

 /* allocate memory for the internal state */
 state =  c- = ;
 if;
 goto;

/* setup the state */
 state-> }
 (&state-,,sizeof ))java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61

 /* check for the correct demod */
 if (rd(DIB3000_REG_MANUFACTOR_ID fe_status)
  gotostruct * state fe->demodulator_priv;

 if (rd( if rdDIB3000MB_REG_AGC_LOCK)
  goto error

 /* create dvb_frontend */
 memcpy(&state->  * |=FE_HAS_CARRIER
 >frontenddemodulator_priv=state

 /* set the xfer operations */
 xfer_ops- = dib3000mb_pid_parse
 xfer_ops->fifo_ctrl = * |= ( | );
 xfer_ops->pid_ctrl = dib3000mb_pid_control;
 xfer_ops->tuner_pass_ctrl = dib3000mb_tuner_pass_ctrl;

 return&state-;

error:
 kfree(stateMB_REG_TPS_QAM,
 return NULL;
}

static const   rd),
.delsys ={SYS_DVBT,
 .info = {
  .name   = "DiBcom 3PS_CODE_RATE_LP),
  frequency_min_hz45  kHz,
    (DIB3000MB_REG_TPS_FFT
 . = 650,
  .caps = FE_CAN_INVERSION_AUTO |
  
   FE_CAN_FEC_5_6| FE_CAN_FEC_7_8 FE_CAN_FEC_AUTO|
    FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
 F |
    FE_CAN_GUARD_INTERVAL_AUTO |
    FE_CAN_RECOVER |
  FE_CAN_HIERARCHY_AUTO
 },

. = dib3000mb_release

. = dib3000mb_fe_init_nonmobile
   0

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 .get_frontend = dib3000mb_get_frontend,
 .et_tune_settings dib3000mb_fe_get_tune_settings,

 .read_status = dib3000mb_read_status,
 .read_berstruct* state fe->demodulator_priv;
 .read_signal_strength  *trength rd(DIB3000MB_REG_SIGNAL_POWER * xffff x170
 .read_snr = dib3000mb_read_snr,
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}

MODULE_AUTHOR(s dib3000_state  = fe-demodulator_priv
 hort = rd);
MODULE_LICENSE  icipow (rdDIB3000MB_REG_NOISE_POWER_MSB) & 0) <<1) |

EXPORT_SYMBOL_GPL( *snr = (sigpow << 8) /  > 0 ?icipow :1;